CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 27, 2024	Sep. 29, 2023	Sep. 27, 2024	Sep. 29, 2023
Statement of Comprehensive Income [Abstract]
Net income	$ 9,980	$ 4,817	$ 14,020	$ 13,591
Defined benefit plans:
Net change in plan assets	(1,708)	(115)	(1,573)	(1,839)
Reclassification into other income (expense), net	(17)	(51)	(51)	(154)
Investments available for sale:
Change in unrealized gain (loss)	134	149	101	123
Reclassification into other income (expense), net			2	(2)
Foreign currency translation gain (loss)	1,856	(494)	(182)	(1,965)
Tax effect	(404)	146	214	795
Other comprehensive loss, net of tax	(139)	(365)	(1,489)	(3,042)
Comprehensive income	$ 9,841	$ 4,452	$ 12,531	$ 10,549